X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=dus.c;h=c3917841d23cb0cf6d3dbdc734863af702026cd9;hb=7a0d380dce67b3423e207556b38ff77a642b92a4;hp=736b136f795c6d7953259a7a80a0a7666745b06a;hpb=934e451507e97423741a3e38eb591a095c46726b;p=dus.git

diff --git a/dus.c b/dus.c
index 736b136..c391784 100644
--- a/dus.c
+++ b/dus.c
@@ -107,7 +107,7 @@ size_sum_t file_or_dir_size(const char *name) {
   struct dirent *dir_e;
   struct stat dummy;
   size_sum_t result;
-  char subname[BUFFER_SIZE];
+  char subname[PATH_MAX];
 
   result = 0;
 
@@ -125,7 +125,7 @@ size_sum_t file_or_dir_size(const char *name) {
   if(dir) {
     while((dir_e = readdir(dir))) {
       if(!ignore_entry(dir_e->d_name)) {
-        snprintf(subname, BUFFER_SIZE, "%s/%s", name, dir_e->d_name);
+        snprintf(subname, PATH_MAX, "%s/%s", name, dir_e->d_name);
         result += file_or_dir_size(subname);
       }
     }
@@ -347,6 +347,7 @@ void print_help(FILE *out) {
 int main(int argc, char **argv) {
   int c;
   struct file_with_size *root;
+  struct winsize win;
 
   root = 0;
 
@@ -420,12 +421,8 @@ int main(int argc, char **argv) {
     }
   }
 
-  if(isatty(STDOUT_FILENO)) {
-    struct winsize win;
-    if(ioctl (STDOUT_FILENO, TIOCGWINSZ, (char *) &win)) {
-      fprintf(stderr, "Can not get the tty size: %s\n", strerror(errno));
-      exit (EXIT_FAILURE);
-    }
+  if(isatty(STDOUT_FILENO) &&
+     !ioctl (STDOUT_FILENO, TIOCGWINSZ, (char *) &win)) {
     print_sorted(root, win.ws_col, win.ws_row - 2);
   } else {
     print_sorted(root, -1, -1);